[PATCH 7/7] Remove variable length arrays and declarations within code

[Mike Hommey]

On Sun, Apr 22, 2012 at 01:08:19AM -0700, Jason Evans wrote:
> On Apr 19, 2012, at 11:38 PM, Mike Hommey wrote:
> > From: Mike Hommey <mh at glandium.org>
> > 
> > MSVC doesn't support C99, and building as C++ to be able to use them is
> > dangerous, as C++ and C99 are incompatible.
> > ---
> > include/jemalloc/internal/prof.h |    3 ++-
> > src/arena.c                      |   17 ++++++++++-------
> > src/chunk_mmap.c                 |    5 +++--
> > src/ctl.c                        |    6 ++++--
> > src/stats.c                      |   12 ++++++++----
> > src/tsd.c                        |    2 +-
> > test/bitmap.c                    |   12 ++++++++----
> > 7 files changed, 36 insertions(+), 21 deletions(-)
> 
> This diff adds calls to malloc/free from within the allocator, which
> perturbs heap profiling.  imalloc/idalloc are probably what you want
> instead.

alloca might work, too, if you're okay using it. We could also have a
helper macro using variable length arrays or alloca depending on the
value of __STDC_VERSION__...

Mike